Physics Articles

Force and Motion

• What is a Free-Body Diagram and How to Draw it (with Examples)
• How to decompose a force into x and y components
• How to find the magnitude and direction of a force given the x and y components
• What is the Resultant Force and How to Find it (with Examples)
• Solving problems which involve forces, friction, and Newton's Laws: A step-by-step guide

Kinematics

• Average Velocity: Definition, Formula, Examples and more
• What is the Instantaneous Velocity?
• Uniform Linear Motion: Constant Velocity Motion along a Line
• Average Acceleration: Definition, Formula, Examples and more
• Instantaneous Acceleration: Definition, Formula and more
• Motion with Constant Acceleration along a Straight Line
• Gravitational Acceleration near the Surface of the Earth
• Problem: Falling object from a given height

Quantities and Units

• Second: The Unit of Time in the Metric System

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